Blackfin: punt dead cache locking code

No one uses these functions, and some are duplicate of existing C code.  So
just punt the whole thing.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

arch/blackfin/Kconfig

@@ -917,10 +917,6 @@ comment "Cache Support"
 config BFIN_ICACHE
 	bool "Enable ICACHE"
 	default y
-config BFIN_ICACHE_LOCK
-	bool "Enable Instruction Cache Locking"
-	depends on BFIN_ICACHE
-	default n
 config BFIN_EXTMEM_ICACHEABLE
 	bool "Enable ICACHE for external memory"
 	depends on BFIN_ICACHE

arch/blackfin/include/asm/bfin-global.h

@@ -99,11 +99,6 @@ extern unsigned long bfin_sic_iwr[];
 extern unsigned vr_wakeup;
 extern u16 _bfin_swrst; /* shadow for Software Reset Register (SWRST) */
 
-#ifdef CONFIG_BFIN_ICACHE_LOCK
-extern void cache_grab_lock(int way);
-extern void bfin_cache_lock(int way);
-#endif
-
 #endif
 
 #endif				/* _BLACKFIN_H_ */

arch/blackfin/kernel/setup.c

@@ -1238,57 +1238,6 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 #ifdef __ARCH_SYNC_CORE_ICACHE
 	seq_printf(m, "SMP Icache Flushes\t: %lu\n\n", cpudata->icache_invld_count);
 #endif
-#ifdef CONFIG_BFIN_ICACHE_LOCK
-	switch ((cpudata->imemctl >> 3) & WAYALL_L) {
-	case WAY0_L:
-		seq_printf(m, "Way0 Locked-Down\n");
-		break;
-	case WAY1_L:
-		seq_printf(m, "Way1 Locked-Down\n");
-		break;
-	case WAY01_L:
-		seq_printf(m, "Way0,Way1 Locked-Down\n");
-		break;
-	case WAY2_L:
-		seq_printf(m, "Way2 Locked-Down\n");
-		break;
-	case WAY02_L:
-		seq_printf(m, "Way0,Way2 Locked-Down\n");
-		break;
-	case WAY12_L:
-		seq_printf(m, "Way1,Way2 Locked-Down\n");
-		break;
-	case WAY012_L:
-		seq_printf(m, "Way0,Way1 & Way2 Locked-Down\n");
-		break;
-	case WAY3_L:
-		seq_printf(m, "Way3 Locked-Down\n");
-		break;
-	case WAY03_L:
-		seq_printf(m, "Way0,Way3 Locked-Down\n");
-		break;
-	case WAY13_L:
-		seq_printf(m, "Way1,Way3 Locked-Down\n");
-		break;
-	case WAY013_L:
-		seq_printf(m, "Way 0,Way1,Way3 Locked-Down\n");
-		break;
-	case WAY32_L:
-		seq_printf(m, "Way3,Way2 Locked-Down\n");
-		break;
-	case WAY320_L:
-		seq_printf(m, "Way3,Way2,Way0 Locked-Down\n");
-		break;
-	case WAY321_L:
-		seq_printf(m, "Way3,Way2,Way1 Locked-Down\n");
-		break;
-	case WAYALL_L:
-		seq_printf(m, "All Ways are locked\n");
-		break;
-	default:
-		seq_printf(m, "No Ways are locked\n");
-	}
-#endif
 
 	if (cpu_num != num_possible_cpus() - 1)
 		return 0;

arch/blackfin/mach-common/Makefile

@@ -6,7 +6,6 @@ obj-y := \
 	cache.o cache-c.o entry.o head.o \
 	interrupt.o arch_checks.o ints-priority.o
 
-obj-$(CONFIG_BFIN_ICACHE_LOCK) += lock.o
 obj-$(CONFIG_PM)          += pm.o dpmc_modes.o
 obj-$(CONFIG_CPU_FREQ)    += cpufreq.o
 obj-$(CONFIG_CPU_VOLTAGE) += dpmc.o